When Dexter starts a choir Josh thinks it is the lamest thing in the world - until Rachel joins and Josh decides it is the perfect way to get close to her. Meanwhile, Fleur and Eleesha get roped into Mr Nunn's boys-only boxing club.

When the 4 O'Clock Club gang fail to set up work experience placements, they are given jobs in the school. But if this lot are pretty lousy pupils, they are absolutely terrible teachers.